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Synthesis of unifor...
Synthesis of uniform quasi-octahedral CeO2 mesocrystals via a surfactant-free route
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- Wang, Xiaodi, 1981- (författare)
- KTH,Funktionella material, FNM,Functional Materials Division
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- Ma, Ying, 1983- (författare)
- KTH,Funktionella material, FNM,Functional Materials Division
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- Sugunan, Abhilash, 1980- (författare)
- KTH,Funktionella material, FNM,Functional Materials Division
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- Qin, Jian (författare)
- KTH,Funktionella material, FNM,Functional Materials Division
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- Toprak, Muhammet (författare)
- KTH,Funktionella material, FNM,Functional Materials Division
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- Zhu, Bin (författare)
- KTH,Energiteknik
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- Muhammed, Mamoun (författare)
- KTH,Funktionella material, FNM
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(creator_code:org_t)
- 2011-05-22
- 2011
- Engelska.
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Ingår i: Journal of nanoparticle research. - : Springer Science and Business Media LLC. - 1388-0764 .- 1572-896X. ; 13:11, s. 5879-5885
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- A facile surfactant-free nonaqueous method is presented to prepare uniform quasi-octahedral ceria, CeO 2 , mesocrystals, in which only Ce(NO 3 ) 3 and octanol were used as the reactants at a reaction temperature of 150 °C. CeO 2 sample synthesized using this technique consists of well-dispersed quasi-octahedrons and exhibits an uniform size and morphology. Based on structural characterization, it is proposed that the CeO 2 mesostructure was formed by self-assembly of primary nanocrystals based on unique 3D oriented-attachment mechanism. Optical characterization exhibited a strong quantum confinement, revealing small size of primary nanocrystals. The thermal stability and UV–Vis study reveal CeO 2 mesocrystal has various potential for high temperature applications and optical apparatus applications.
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